168667001868 has 24 divisors (see below), whose sum is σ = 406251704320. Its totient is φ = 54408710160.

The previous prime is 168667001857. The next prime is 168667001869. The reversal of 168667001868 is 868100766861.

It is not an unprimeable number, because it can be changed into a prime (168667001869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226702588 + ... + 226703331.

Almost surely, 2^168667001868 is an apocalyptic number.

It is an amenable number.

168667001868 is an abundant number, since it is smaller than the sum of its proper divisors (237584702452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168667001868 is a wasteful number, since it uses less digits than its factorization.

168667001868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453405957 (or 453405955 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 168667001868 in words is "one hundred sixty-eight billion, six hundred sixty-seven million, one thousand, eight hundred sixty-eight".